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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.widget;
import static com.android.launcher3.Utilities.ATLEAST_R;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Insets;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.view.WindowInsets;
import android.widget.ScrollView;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.R;
import com.android.launcher3.dragndrop.AddItemActivity;
import com.android.launcher3.views.AbstractSlideInView;
/**
* Bottom sheet for the pin widget.
*/
public class AddItemWidgetsBottomSheet extends AbstractSlideInView<AddItemActivity> implements
View.OnApplyWindowInsetsListener {
private static final int DEFAULT_CLOSE_DURATION = 200;
private final Rect mInsets;
private ScrollView mWidgetPreviewScrollView;
private int mContentHorizontalMarginInPx;
public AddItemWidgetsBottomSheet(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public AddItemWidgetsBottomSheet(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
mInsets = new Rect();
mContentHorizontalMarginInPx = getResources().getDimensionPixelSize(
R.dimen.widget_list_horizontal_margin);
}
/**
* Attaches to activity container and animates open the bottom sheet.
*/
public void show() {
ViewParent parent = getParent();
if (parent instanceof ViewGroup) {
((ViewGroup) parent).removeView(this);
}
attachToContainer();
setOnApplyWindowInsetsListener(this);
animateOpen();
}
@Override
public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
mNoIntercept = false;
// Suppress drag to dismiss gesture if the scroll view is being scrolled.
if (getPopupContainer().isEventOverView(mWidgetPreviewScrollView, ev)
&& mWidgetPreviewScrollView.getScrollY() > 0) {
mNoIntercept = true;
}
}
return super.onControllerInterceptTouchEvent(ev);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
int width = r - l;
int height = b - t;
// Lay out content as center bottom aligned.
int contentWidth = mContent.getMeasuredWidth();
int contentLeft = (width - contentWidth - mInsets.left - mInsets.right) / 2 + mInsets.left;
mContent.layout(contentLeft, height - mContent.getMeasuredHeight(),
contentLeft + contentWidth, height);
setTranslationShift(mTranslationShift);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
DeviceProfile deviceProfile = mActivityContext.getDeviceProfile();
int widthUsed;
if (deviceProfile.isTablet) {
int margin = deviceProfile.allAppsLeftRightMargin;
widthUsed = Math.max(2 * margin, 2 * (mInsets.left + mInsets.right));
} else if (mInsets.bottom > 0) {
widthUsed = mInsets.left + mInsets.right;
} else {
Rect padding = deviceProfile.workspacePadding;
widthUsed = Math.max(padding.left + padding.right,
2 * (mInsets.left + mInsets.right));
}
measureChildWithMargins(mContent, widthMeasureSpec,
widthUsed, heightMeasureSpec, deviceProfile.bottomSheetTopPadding);
setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec),
MeasureSpec.getSize(heightMeasureSpec));
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mContent = findViewById(R.id.add_item_bottom_sheet_content);
mWidgetPreviewScrollView = findViewById(R.id.widget_preview_scroll_view);
}
private void animateOpen() {
if (mIsOpen || mOpenCloseAnimation.getAnimationPlayer().isRunning()) {
return;
}
mIsOpen = true;
setUpDefaultOpenAnimation().start();
}
@Override
protected void handleClose(boolean animate) {
handleClose(animate, DEFAULT_CLOSE_DURATION);
}
@Override
protected boolean isOfType(@FloatingViewType int type) {
return (type & TYPE_PIN_WIDGET_FROM_EXTERNAL_POPUP) != 0;
}
@Override
protected int getScrimColor(Context context) {
return context.getResources().getColor(R.color.widgets_picker_scrim);
}
@SuppressLint("NewApi") // Already added API check.
@Override
public WindowInsets onApplyWindowInsets(View view, WindowInsets windowInsets) {
if (ATLEAST_R) {
Insets insets = windowInsets.getInsets(WindowInsets.Type.systemBars());
mInsets.set(insets.left, insets.top, insets.right, insets.bottom);
} else {
mInsets.set(windowInsets.getSystemWindowInsetLeft(),
windowInsets.getSystemWindowInsetTop(),
windowInsets.getSystemWindowInsetRight(),
windowInsets.getSystemWindowInsetBottom());
}
mContent.setPadding(mContent.getPaddingStart(),
mContent.getPaddingTop(), mContent.getPaddingEnd(), mInsets.bottom);
int contentHorizontalMarginInPx = getResources().getDimensionPixelSize(
R.dimen.widget_list_horizontal_margin);
if (contentHorizontalMarginInPx != mContentHorizontalMarginInPx) {
setContentHorizontalMargin(findViewById(R.id.widget_appName),
contentHorizontalMarginInPx);
setContentHorizontalMargin(findViewById(R.id.widget_drag_instruction),
contentHorizontalMarginInPx);
setContentHorizontalMargin(findViewById(R.id.widget_cell), contentHorizontalMarginInPx);
setContentHorizontalMargin(findViewById(R.id.actions_container),
contentHorizontalMarginInPx);
mContentHorizontalMarginInPx = contentHorizontalMarginInPx;
}
return windowInsets;
}
private static void setContentHorizontalMargin(View view, int contentHorizontalMargin) {
ViewGroup.MarginLayoutParams layoutParams =
((ViewGroup.MarginLayoutParams) view.getLayoutParams());
layoutParams.setMarginStart(contentHorizontalMargin);
layoutParams.setMarginEnd(contentHorizontalMargin);
}
}
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